<template>
    <div>
        <!--面包屑导航-->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/index' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item><a href="">用户管理</a></el-breadcrumb-item>
            <el-breadcrumb-item>用户列表列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图 -->
        <el-card class="box-card">
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入搜索内容"
                              v-model="queryParams.query" clearable @click="getUserList"
                            >
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
                </el-col>
            </el-row>

            <!--用户列表区域-->
            <el-table
                    :data="userList"
                    border style="width: 100%">
                <el-table-column type="index" width="50px" label="#"></el-table-column>
                <el-table-column prop="username" label="姓名" width="120"> </el-table-column>
                <el-table-column prop="email" label="邮箱" width="150"> </el-table-column>
                <el-table-column prop="mobile" label="电话"> </el-table-column>
                <el-table-column prop="role_name" label="角色"> </el-table-column>
                <el-table-column label="状态">
                    <template slot-scope="scope">
                        <el-switch
                                v-model="scope.row.mg_state" @change="userStateChanged(scope.row)" >
                        </el-switch>
                    </template>
                </el-table-column>
                <el-table-column prop="address" label="操作">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini" circle @click="showEditDialog(scope.row.id)"></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" circle @click="deleteUserByUserId(scope.row.id)"></el-button>
                        <el-tooltip content="分配角色" placement="top">
                            <el-button type="warning" icon="el-icon-star-off" size="mini" circle @click="showSetRole(scope.row)"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>
            <!--分页区域-->
            <el-pagination
                    @size-change="handleSizeChange"
                    @current-change="handleCurrentChange"
                    :current-page.sync="queryParams.pagenum"
                    :page-size="queryParams.pagesize"
                    :page-sizes="[5, 10, 15, 20]"
                    layout="total, sizes, prev, pager, next, jumper"
                    :total="total">
            </el-pagination>
        </el-card>
        <!--添加用户的对话框-->
        <el-dialog title="添加用户信息" :visible.sync="addDialogVisible" @close="addDialogClosed">
            <el-form :model="addUserForm"
                    ref="addUserFormRef"
                    :rules="addUserFormRules"
                     label-width="100px">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addUserForm.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addUserForm.password"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addUserForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="addUserForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </div>
        </el-dialog>
        <!--编辑用户信息 dialog-->
        <el-dialog title="编辑用户信息" :visible.sync="editDialogVisible" >
            <el-form :model="editUserForm"
                     ref="editUserFormRef"
                     :rules="editUserFormRules"
                     label-width="100px">
                <el-form-item label="用户名" prop="username" >
                    <el-input v-model="editUserForm.username" disabled></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editUserForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="editUserForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUser">确 定</el-button>
            </div>
        </el-dialog>

        <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" @close="setRoleDialogClosed">
            <el-form label-width="100px">
                <div>
                    <p>当前用户:{{userInfo.username}}</p>
                    <p>当前角色:{{userInfo.role_name}}</p>
                    <el-select v-model="selectRoleId" placeholder="请选择">
                        <el-option
                                v-for="item in rolesLsit"
                                :key="item.id"
                                :label="item.roleName"
                                :value="item.id">
                        </el-option>
                    </el-select>
                </div>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="setRoleDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
            </div>
        </el-dialog>

    </div>
</template>

<script>
    export default {
        name: "User",
        data(){
            // 自定义邮箱规则
            var checkEmail = (rule, value, callback) => {
                const regEmail = /^\w+@\w+(\.\w+)+$/
                if (regEmail.test(value)) {
                    // 合法邮箱
                    return callback()
                }
                callback(new Error('请输入合法邮箱'))
            }
            // 自定义手机号规则
            var checkMobile = (rule, value, callback) => {
                const regMobile = /^1[34578]\d{9}$/
                if (regMobile.test(value)) {
                    return callback()
                }
                // 返回一个错误提示
                callback(new Error('请输入合法的手机号码'))
            }
            return {
                // 查询 列表参数
                queryParams:{
                    query:'',
                    pagenum:1,
                    pagesize:5
                },
                // 用户 列表信息
                userList:[],
                // 总记录数
                total: 0,
                // 添加 用户 对话框
                addDialogVisible:false,
                // 添加  用户 表单
                addUserForm:{
                    username:'',
                    password:'',
                    email:'',
                    mobile:''
                },
                // 编辑 用户 对话框
                editDialogVisible:false,
                // 编辑 用户 表单
                editUserForm:{
                },
                // 分配用户 角色
                setRoleDialogVisible:false,
                // 当前需要被分配角色的用户
                userInfo: {},
                // 加载 角色列表
                rolesLsit:[],
                // 当前选择的 roleId
                selectRoleId:'',
                // 用户添加表单验证规则
                addUserFormRules: {
                    username: [
                        { required: true, message: '请输入用户名', trigger: 'blur' },
                        {
                            min: 2,
                            max: 10,
                            message: '用户名的长度在2～10个字',
                            trigger: 'blur'
                        }
                    ],
                    password: [
                        { required: true, message: '请输入用户密码', trigger: 'blur' },
                        {
                            min: 6,
                            max: 18,
                            message: '用户密码的长度在6～18个字',
                            trigger: 'blur'
                        }
                    ],
                    email: [
                        { required: true, message: '请输入邮箱', trigger: 'blur' },
                        { validator: checkEmail, trigger: 'blur' }
                    ],
                    mobile: [
                        { required: true, message: '请输入手机号码', trigger: 'blur' },
                        { validator: checkMobile, trigger: 'blur' }
                    ]
                },
                // 编辑用户表单验证
                editUserFormRules: {
                    email: [
                        { required: true, message: '请输入邮箱', trigger: 'blur' },
                        { validator: checkEmail, trigger: 'blur' }
                    ],
                    mobile: [
                        { required: true, message: '请输入手机号码', trigger: 'blur' },
                        { validator: checkMobile, trigger: 'blur' }
                    ]
                },
            }
        },
        created() {
            // 当组件创建时  调用用户信息
            this.getUserList()
        },
        methods:{
           async getUserList(){
              const {data:res} = await this.$http.get("users",{
                  params:this.queryParams
              })
               //console.log(res)
               this.userList = res.data.users
               this.total = res.data.total
            },
            // 监听 当前页 点击事件
            handleCurrentChange(newPage){
                this.pagenum = newPage
            },
            // 监听 当前 页数
            handleSizeChange(newSize){
               this.pagesize = newSize
            },
            // 监听 switch 开关  状态改变
            async userStateChanged(userInfo){
               //console.log(userInfo)
                const {data:res} = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`);

               if (res.meta.status !== 200){
                    userInfo.mg_state = !userInfo.mg_state
                    return this.$message.error("更新用户状态失败!")
                }else {
                    this.$message.success("更新用户状态成功!")
                }
            },
            // 监听 添加用户对话框的关闭事件
            addDialogClosed(){
                //console.log('关闭对话框，清空表单')
                this.$refs.addUserFormRef.resetFields()
            },
            //editDialogClosed
            // 添加 用户信息
            addUser(){
                // 提交前 表单 校验
                this.$refs.addUserFormRef.validate(async valid =>{
                    if (!valid) return
                    const {data:res} = await this.$http.post('users',this.addUserForm)
                    if (res.meta.status != 201){
                        this.$message.error('添加用户失败!')
                    }else {
                        this.$message.success('添加用户成功!')
                        // 隐藏 用户对话框
                        this.addDialogVisible = false
                        // 刷新 用户列表
                        this.getUserList()
                    }
                })
            },
            // 编辑 用户信息 弹框
            async showEditDialog(id){
                this.editDialogVisible = true
                const {data:res} = await this.$http.get('users/'+id)
                this.editUserForm = res.data
                //console.log(this.editUserForm)
            },
            //编辑用户信息
            editUser(){
                this.$refs.editUserFormRef.validate(async valid => {
                   if(!valid) return
                    const { data: res } = await this.$http.put(
                        'users/' + this.editUserForm.id,
                        {
                            email: this.editUserForm.email,
                            mobile: this.editUserForm.mobile
                        }
                    )
                    if (res.meta.status !== 200) {
                        this.$message.error('更新用户信息失败！')
                    }
                    // 隐藏添加用户对话框
                    this.editDialogVisible = false
                    this.$message.success('更新用户信息成功！')
                    this.getUserList()

               })
            },
            // 删除 用户 信息
            async deleteUserByUserId(id){
                // console.log('删除用户信息'+id);
             const confirmResult = await this.$confirm(
                    '是否删除此用户信息?',
                    '提示',
                    {
                        confirmButtonText:'确定',
                        cancelButtonText:'取消',
                        type: 'warning'
                    }
                ).catch(err => err)
                // 点击确定 返回值为：confirm
                // 点击取消 返回值为： cancel
                if (confirmResult !== 'confirm') {
                    return this.$message.info('已取消删除')
                }
                const { data: res } = await this.$http.delete('users/' + id)
                if (res.meta.status !== 200) return this.$message.error('删除用户失败！')
                this.$message.success('删除用户成功！')
                this.getUserList()
            },
            // 分配用户 权限
            async showSetRole(role){
                this.setRoleDialogVisible = true
                this.userInfo = role;
                const {data:res} = await this.$http.get('roles')
                if (res.meta.status !== 200){
                    return this.$message.error('获取角色列表失败!')
                }
                this.rolesLsit = res.data
            },
            // 分配角色对话框关闭事件
            setRoleDialogClosed () {
                this.selectRoleId = ''
                this.userInfo = {}
            },
            // 更新 角色 信息
            async saveRoleInfo(){
                //console.log('更新角色信息');
                if (!this.selectRoleId){
                    return this.$message.error('请选择要分配的角色!')
                }
                const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{rid : this.selectRoleId})
                if (res.meta.status !== 200) {
                    return this.$message.error('更新用户角色失败！')
                }
                this.$message.success('更新角色成功！')
                this.getUserList()
                this.setRoleDialogVisible = false
            }
        }

    }
</script>
<style scoped>

</style>